1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/gen-attrs-50.C b/gcc/testsuite/g++.dg/cpp0x/gen-attrs-50.C
new file mode 100644
index 0000000000..2479dfdf19
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/gen-attrs-50.C
@@ -0,0 +1,22 @@
+// { dg-do compile { target c++11 } }
+
+typedef char layout_type;
+
+template<class> struct A {
+  layout_type member alignas (double) alignas (int);
+};
+
+// Here, the spec says that A<int> should have the stricter alignment,
+// so that would be the alignment of 'double', not 'int'.
+static_assert (alignof (A<int>) == alignof (double),
+	       "alignment of struct A must be alignof (double)");
+
+template<class> struct alignas (1) alignas (alignof (long double)) B {
+  layout_type member;
+};
+
+// Similarly, the B<int> should have the stricter alignment, so that would
+// so that would be the alignment of 'long double', not '1'.
+static_assert (alignof (B<int>) == alignof (long double),
+	       "alignment of struct A must be alignof (double double)");
+